diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6df74b83..a6b9a5bb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,8 +1,8 @@
 name: ci
 
 on:
-- pull_request
-- push
+  - pull_request
+  - push
 
 jobs:
   test:
@@ -11,132 +11,137 @@ jobs:
       fail-fast: false
       matrix:
         name:
-        - Node.js 0.10
-        - Node.js 0.12
-        - io.js 1.x
-        - io.js 2.x
-        - io.js 3.x
-        - Node.js 4.x
-        - Node.js 5.x
-        - Node.js 6.x
-        - Node.js 7.x
-        - Node.js 8.x
-        - Node.js 9.x
-        - Node.js 10.x
-        - Node.js 11.x
-        - Node.js 12.x
-        - Node.js 13.x
-        - Node.js 14.x
-        - Node.js 15.x
+          - Node.js 0.10
+          - Node.js 0.12
+          - io.js 1.x
+          - io.js 2.x
+          - io.js 3.x
+          - Node.js 4.x
+          - Node.js 5.x
+          - Node.js 6.x
+          - Node.js 7.x
+          - Node.js 8.x
+          - Node.js 9.x
+          - Node.js 10.x
+          - Node.js 11.x
+          - Node.js 12.x
+          - Node.js 13.x
+          - Node.js 14.x
+          - Node.js 15.x
 
         include:
-        - name: Node.js 0.10
-          node-version: "0.10"
-          npm-i: mocha@3.5.3 rimraf@2.7.1 supertest@2.0.0
+          - name: Node.js 0.10
+            node-version: "0.10"
+            npm-i: mocha@3.5.3 rimraf@2.7.1 supertest@2.0.0
 
-        - name: Node.js 0.12
-          node-version: "0.12"
-          npm-i: mocha@3.5.3 rimraf@2.7.1 supertest@2.0.0
+          - name: Node.js 0.12
+            node-version: "0.12"
+            npm-i: mocha@3.5.3 rimraf@2.7.1 supertest@2.0.0
 
-        - name: io.js 1.x
-          node-version: "1.8"
-          npm-i: mocha@3.5.3 rimraf@2.7.1 supertest@2.0.0
+          - name: io.js 1.x
+            node-version: "1.8"
+            npm-i: mocha@3.5.3 rimraf@2.7.1 supertest@2.0.0
 
-        - name: io.js 2.x
-          node-version: "2.5"
-          npm-i: mocha@3.5.3 rimraf@2.7.1 supertest@2.0.0
+          - name: io.js 2.x
+            node-version: "2.5"
+            npm-i: mocha@3.5.3 rimraf@2.7.1 supertest@2.0.0
 
-        - name: io.js 3.x
-          node-version: "3.3"
-          npm-i: mocha@3.5.3 rimraf@2.7.1 supertest@2.0.0
+          - name: io.js 3.x
+            node-version: "3.3"
+            npm-i: mocha@3.5.3 rimraf@2.7.1 supertest@2.0.0
 
-        - name: Node.js 4.x
-          node-version: "4.9"
-          npm-i: mocha@5.2.0 rimraf@2.7.1 supertest@3.4.2
+          - name: Node.js 4.x
+            node-version: "4.9"
+            npm-i: mocha@5.2.0 rimraf@2.7.1 supertest@3.4.2
 
-        - name: Node.js 5.x
-          node-version: "5.12"
-          npm-i: mocha@5.2.0 rimraf@2.7.1 supertest@3.4.2
+          - name: Node.js 5.x
+            node-version: "5.12"
+            npm-i: mocha@5.2.0 rimraf@2.7.1 supertest@3.4.2
 
-        - name: Node.js 6.x
-          node-version: "6.17"
-          npm-i: mocha@6.2.3
+          - name: Node.js 6.x
+            node-version: "6.17"
+            npm-i: mocha@6.2.3
 
-        - name: Node.js 7.x
-          node-version: "7.10"
-          npm-i: mocha@6.2.3
+          - name: Node.js 7.x
+            node-version: "7.10"
+            npm-i: mocha@6.2.3
 
-        - name: Node.js 8.x
-          node-version: "8.17"
-          npm-i: mocha@7.2.0
+          - name: Node.js 8.x
+            node-version: "8.17"
+            npm-i: mocha@7.2.0
 
-        - name: Node.js 9.x
-          node-version: "9.11"
-          npm-i: mocha@7.2.0
+          - name: Node.js 9.x
+            node-version: "9.11"
+            npm-i: mocha@7.2.0
 
-        - name: Node.js 10.x
-          node-version: "10.24"
-          npm-i: mocha@8.4.0
+          - name: Node.js 10.x
+            node-version: "10.24"
+            npm-i: mocha@8.4.0
 
-        - name: Node.js 11.x
-          node-version: "11.15"
-          npm-i: mocha@8.4.0
+          - name: Node.js 11.x
+            node-version: "11.15"
+            npm-i: mocha@8.4.0
 
-        - name: Node.js 12.x
-          node-version: "12.22"
+          - name: Node.js 12.x
+            node-version: "12.22"
 
-        - name: Node.js 13.x
-          node-version: "13.14"
+          - name: Node.js 13.x
+            node-version: "13.14"
 
-        - name: Node.js 14.x
-          node-version: "14.18"
+          - name: Node.js 14.x
+            node-version: "14.18"
 
-        - name: Node.js 15.x
-          node-version: "15.14"
+          - name: Node.js 15.x
+            node-version: "15.14"
 
     steps:
-    - uses: actions/checkout@v2
-
-    - name: Install Node.js ${{ matrix.node-version }}
-      shell: bash -eo pipefail -l {0}
-      run: |
-        nvm install --default ${{ matrix.node-version }}
-        dirname "$(nvm which ${{ matrix.node-version }})" >> "$GITHUB_PATH"
-
-    - name: Configure npm
-      run: npm config set shrinkwrap false
-
-    - name: Install npm module(s) ${{ matrix.npm-i }}
-      run: npm install --save-dev ${{ matrix.npm-i }}
-      if: matrix.npm-i != ''
-
-    - name: Setup Node.js version-specific dependencies
-      shell: bash
-      run: |
-        # eslint for linting
-        # - remove on Node.js < 10
-        if [[ "$(cut -d. -f1 <<< "${{ matrix.node-version }}")" -lt 10 ]]; then
-          node -pe 'Object.keys(require("./package").devDependencies).join("\n")' | \
-            grep -E '^eslint(-|$)' | \
-            sort -r | \
-            xargs -n1 npm rm --silent --save-dev
-        fi
-
-    - name: Install Node.js dependencies
-      run: npm install
-
-    - name: List environment
-      id: list_env
-      shell: bash
-      run: |
-        echo "node@$(node -v)"
-        echo "npm@$(npm -v)"
-        npm -s ls ||:
-        (npm -s ls --depth=0 ||:) | awk -F'[ @]' 'NR>1 && $2 { print "::set-output name=" $2 "::" $3 }'
-
-    - name: Run tests
-      run: npm run test-ci
-
-    - name: Lint code
-      if: steps.list_env.outputs.eslint != ''
-      run: npm run lint
+      - uses: actions/checkout@v3
+
+      - name: Install Python 2.x
+        uses: actions/setup-python@v4
+        with:
+          python-version: "2.x"
+
+      - name: Install Node.js ${{ matrix.node-version }}
+        shell: bash -eo pipefail -l {0}
+        run: |
+          nvm install --default ${{ matrix.node-version }}
+          dirname "$(nvm which ${{ matrix.node-version }})" >>"$GITHUB_PATH"
+
+      - name: Configure npm
+        run: npm config set shrinkwrap false
+
+      - name: Install npm module(s) ${{ matrix.npm-i }}
+        run: npm install --save-dev ${{ matrix.npm-i }}
+        if: matrix.npm-i != ''
+
+      - name: Setup Node.js version-specific dependencies
+        shell: bash
+        run: |
+          # eslint for linting
+          # - remove on Node.js < 10
+          if [[ "$(cut -d. -f1 <<< "${{ matrix.node-version }}")" -lt 10 ]]; then
+            node -pe 'Object.keys(require("./package").devDependencies).join("\n")' | \
+              grep -E '^eslint(-|$)' | \
+              sort -r | \
+              xargs -n1 npm rm --silent --save-dev
+          fi
+
+      - name: Install Node.js dependencies
+        run: npm install
+
+      - name: List environment
+        id: list_env
+        shell: bash
+        run: |
+          echo "node@$(node -v)"
+          echo "npm@$(npm -v)"
+          npm -s ls ||:
+          (npm -s ls --depth=0 ||:) | awk -F'[ @]' 'NR>1 && $2 { print "::set-output name=" $2 "::" $3 }'
+
+      - name: Run tests
+        run: npm run test-ci
+
+      - name: Lint code
+        if: steps.list_env.outputs.eslint != ''
+        run: npm run lint